Definition: You are given a question on conceptual physics. You are also given 4 answer options (associated with "A", "B", "C", "D"), out of which only one is correct. You need to answer the question by selecting the correct option. You should only answer with the choice letter, not the whole answer.
Input: When an element ejects an alpha particle, the atomic number of the resulting element
(A)reduces by 2 (B)reduces by 4 (C)increases by 2 (D)increases by 4

A